Summary
The Grand River Dam Authority (GRDA) is soliciting a qualified contractor to design and construct terminal additions at the West Main and Herron substations in the Pryor/Chouteau, Oklahoma area. The scope includes civil foundations, structural steel erection, installation of 161 kV high-voltage electrical equipment, grounding, conduit and cable installation, and associated site modifications, and requires compliance with utility construction standards and applicable contractor licensing. A mandatory pre-bid meeting is scheduled for 2026-07-14, questions are due 2026-07-21, and proposals are due via the buyer’s solicitation portal on 2026-07-23.